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    <title>clEnqueueReleaseD3D10ObjectsKHR</title>
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        <a xmlns="http://www.w3.org/1999/xhtml" id="clEnqueueReleaseD3D10ObjectsKHR"></a>
        <h1>clEnqueueReleaseD3D10ObjectsKHR</h1>
        <p>Release OpenCL memory objects that have been created from Direct3D 10 resources.</p>
      </div>
      <div class="refsynopsisdiv">
        <h2></h2>
        <div class="funcsynopsis">
          <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0">
            <tr valign="bottom">
              <td>
                <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">
                <a class="link" href="abstractDataTypes.html" target="_top">cl_int</a> 
                    <strong class="fsfunc">clEnqueueReleaseD3D10ObjectsKHR</strong>(</code>
                <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_command_queue</a>
                     <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">command_queue</var>, </td>
              </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="_top">cl_uint</a>
                     <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">num_objects</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td>const <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_mem</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*mem_objects</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="_top">cl_uint</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">num_events_in_wait_list</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td>
                    const <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_event</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*event_wait_list</var>
                , </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_event</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*event</var><code>)</code></td>
            </tr>
          </table>
        </div>
      </div>
      <div class="refsect1">
        <a id="parameters"></a>
        <h2>Parameters</h2>
        <div class="variablelist">
          <dl class="variablelist">
            <dt>
              <span class="term">
                <code class="varname">command_queue</code>
              </span>
            </dt>
            <dd>
              <p>
                    The Direct3D 10 objects are released by the OpenCL context.
                </p>
            </dd>
            <dt>
              <span class="term">
                <code class="varname">num_objects</code>
              </span>
            </dt>
            <dd>
              <p>
                    The number of memory objects to be released in <code class="varname">mem_objects</code>.
                </p>
            </dd>
            <dt>
              <span class="term">
                <code class="varname">mem_objects</code>
              </span>
            </dt>
            <dd>
              <p>
                     A pointer to a list of OpenCL memory objects that were created from 
                     Direct3D 10 resources.
                </p>
            </dd>
            <dt>
              <span class="term"><code class="varname">num_events_in_wait_list</code>, <code class="varname">event_wait_list</code></span>
            </dt>
            <dd>
              <p>
                     Specify events that need to complete before this particular command can be executed. 
                     If <code class="varname">event_wait_list</code> is NULL, then this particular command does not 
                     wait on any event to complete. If <code class="varname">event_wait_list</code> is NULL, 
                     <code class="varname">num_events_in_wait_list</code> must be 0. If <code class="varname">event_wait_list</code> 
                     is not NULL, the list of events pointed to by <code class="varname">event_wait_list</code> must be 
                     valid and <code class="varname">num_events_in_wait_list</code> must be greater than 0.    
                     The events specified in <code class="varname">event</code> returns an event object that identifies 
                     this particular command and can be used to query or queue a wait for this particular 
                     command to complete. <code class="varname">event</code> can be NULL in which case it will not be
                     possible for the application to query the status of this command or queue a wait for 
                     this command to complete.
                </p>
            </dd>
            <dt>
              <span class="term">
                <code class="varname">event</code>
              </span>
            </dt>
            <dd>
              <p>
                     An event object that identifies this particular command and can be used to query 
                     or queue a wait for this particular command to complete. <code class="varname">event</code> can 
                     be NULL in which case it will not be possible for the application to query the status 
                     of this command or queue a wait for this command to complete.
                </p>
            </dd>
          </dl>
        </div>
      </div>
      <div class="refsect1">
        <a id="notes"></a>
        <h2>Notes</h2>
        <p>
            The Direct3D 10 objects are released by the OpenCL context associated with
             <code class="varname">command_queue</code>.
        </p>
        <p>
            OpenCL memory objects created from Direct3D 10 resources which have been acquired 
            by OpenCL must be released by OpenCL before they may be accessed by Direct3D 10. 
            Accessing a Direct3D 10 resource while its corresponding OpenCL memory object is 
            acquired is in error and will result in undefined behavior, including but not limited 
            to possible OpenCL errors, data corruption, and program termination.
        </p>
        <p>
            <code class="function">clEnqueueReleaseD3D10ObjectsKHR</code> provides the synchronization guarantee 
            that any calls to Direct3D 10 made after the call to <code class="function">clEnqueueReleaseD3D10ObjectsKHR</code>
             will not start executing until after all events in <code class="varname">event_wait_list</code> are 
             complete and all work already submitted to <code class="varname">command_queue</code> completes execution.
        </p>
      </div>
      <div class="refsect1">
        <a id="errors"></a>
        <h2>Errors</h2>
        <p>
            Returns <span class="errorname">CL_SUCCESS</span> returns <span class="errorname">CL_SUCCESS</span> if the function 
            is executed successfully. If &lt;<code class="varname">num_objects</code>&gt; is 0 and 
            &lt;<code class="varname">mem_objects</code>&gt; is NULL then the function does nothing and returns 
            <span class="errorname">CL_SUCCESS</span>. Otherwise it returns one of the following errors:
        </p>
        <div class="itemizedlist">
          <ul class="itemizedlist" style="list-style-type: disc; ">
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_VALUE</span> if <code class="varname">num_objects</code> is zero and
                <code class="varname">mem_objects</code> is not a NULL value or if <code class="varname">num_objects</code>
                &gt; 0 and <code class="varname">mem_objects</code> is NULL.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_MEM_OBJECT</span> if memory objects in <code class="varname">mem_objects</code>
                are not valid OpenCL memory objects or if memory objects in <code class="varname">mem_objects</code> have 
                not been created from Direct3D 10 resources.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_COMMAND_QUEUE</span> if <code class="varname">command_queue</code> is not 
                a valid command-queue.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_CONTEXT</span> if context associated with 
                <code class="varname">command_queue</code> was not created from an Direct3D 10 context.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_D3D10_RESOURCE_ALREADY_ACQUIRED_KHR</span> if memory objects in 
                <code class="varname">mem_objects</code> is not have previously been acquired using
                <a class="citerefentry" href="clEnqueueAcquireD3D10ObjectsKHR.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueAcquireD3D10ObjectsKHR</span></span></a>
                but have not been released using 
                <code class="function">clEnqueueReleaseD3D10ObjectsKHR</code>.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_EVENT_WAIT_LIST</span> if <code class="varname">event_wait_list</code> is 
                NULL and <code class="varname">num_event_in_wait_list</code> &gt; 0, or <code class="varname">event_wait_list</code> 
                is  not NULL and <code class="varname">num_event_in_wait_list</code> is 0, or if event objects in 
                <code class="varname">event_wait_list</code> are not valid events.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_OUT_OF_HOST_MEMORY</span> if there is a failure to allocate 
                resources required by the OpenCL implementation on the host.    
            </li>
          </ul>
        </div>
      </div>
      <div class="refsect1">
        <a id="specification"></a>
        <h2>Specification</h2>
        <p><img src="pdficon_small1.gif" />
            <a href="http://www.khronos.org/registry/cl/specs/opencl-1.1.pdf#page=345" target="OpenCL Spec">OpenCL Specification</a>
        </p>
      </div>
      <div class="refsect1">
        <a id="seealso"></a>
        <h2>Also see</h2>
        <p>
            <a class="citerefentry" href="cl_khr_d3d10_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_d3d10_sharing</span></span></a>,
            <a class="citerefentry" href="clGetDeviceIDsFromD3D10KHR.html"><span class="citerefentry"><span class="refentrytitle">clGetDeviceIDsFromD3D10KHR</span></span></a>,  
            <a class="citerefentry" href="clCreateFromD3D10BufferKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D10BufferKHR</span></span></a>, 
        <a class="citerefentry" href="clCreateFromD3D10Texture2DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D10Texture2DKHR</span></span></a>, 
            <a class="citerefentry" href="clCreateFromD3D10Texture3DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D10Texture3DKHR</span></span></a>, 
                    <a class="citerefentry" href="clEnqueueAcquireD3D10ObjectsKHR.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueAcquireD3D10ObjectsKHR</span></span></a>
    
        </p>
      </div>
      <div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p>Copyright © 2007-2010 The Khronos Group Inc.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and/or associated documentation files (the
"Materials"), to deal in the Materials without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Materials, and to
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